Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
Hydraulic Steel Tubing
hydraulic steel tubing
processing form : cold-drawn,cold-rolled,hone,SRB
seamless steel tube for hydraulic and pneumatic use.
hydraulic steel tubing
.
seamless steel tube for hydraulic and pneumatic use.
hydraulic steel tubing
Outer diameter :38mm-325mm
Wall thickness:1.5mm-50mm
Standard:GB/T17396-1998
Material:27SiMn.
Application:Hydraulic support, hydraulic prop
Packing:Caps on two ends ,wrapped with strong steel strip ,or according to the customers'requirements.
Hydraulic Steel Tube
Precision: H8, H9, H10
Processing form: Cold-drawn, Cold-rolled, Hone, SRB
Hydraulic Steel Tube
Seamless steel tube for hydraulic and pneumatic cylinder use
|
Processing mode |
Diameter |
Length |
Linearity |
Precision |
Roughness of inner hole |
|
Cold rolling |
30-100 |
≤12M |
0.3-1.0 |
H8-H10 |
0.4-1.6 |
|
Cold drawn |
30-250 |
≤12M |
H8-H10 |
0.8-1.6 |
|
|
Grinding |
40-500 |
≤12M |
1000 |
H8-H9 |
0.4-0.8 |
|
Rolling |
40-400 |
≤7M |
H8 |
0.4 |
Mechanical performance
|
Model |
Item |
Cold drawn (rolling) tube |
metallic cut pipe |
|
20 |
Intensity of tensionσbN/mm2 |
≥510 |
≥390 |
|
Elongation rate δ5% |
≥5 |
≥20 |
|
|
45 |
Intensity of tension σbN/mm2 |
≥647 |
≥590 |
|
Elongation rateδ5% |
≥4 |
≥4 |
|
|
16Mn |
Intensity of tensionσbN/mm2 |
≥640 |
|
|
Elongation rateδ5% |
≥10 |
|
|
|
27SiMn |
Intensity of tensionσbN/mm2 |
≥840 |
|
|
Elongation rateδ5% |
≥7.5 |
|
Size tolerance
|
Inner diameter |
|
warp of wall thickness |
||
|
H8 |
H9 |
H10 |
||
|
30 |
+0.033 0 |
+0.052 0 |
+0.084 0 |
±5% |
|
30-50 |
+0.039 0 |
+0.062 0 |
+0.100 0 |
|
|
50-80 |
+0.046 0 |
+0.074 0 |
+0.120 0 |
|
|
80-120 |
+0.054 0 |
+0.087 0 |
+0.140 0 |
|
|
120-180 |
+0.063 0 |
+0.100 0 |
+0.160 0 |
|
|
180-250 |
+0.072 0 |
+0.115 0 |
+0.185 0 |
|
|
250-315 |
+0.081 0 |
+0.130 0 |
+0.210 0 |
|
|
315-400 |
+0.089 0 |
+0.140 0 |
+0.230 0 |
|
3 Comments
Large diameter thick-walled straight seam steel pipe The main process of large-diameter thick-wall straight seam steel pipe is plate-milling-pre-bending forming-pre-welding-internal welding-external welding-ultrasonic inspection.The submerg.
Seamless steel pipe Standard:ASTM A106/ASTM A53/DIN/API 5L/API 5CT/X45/X52/X60.Seamless steel pipe Application:Natural gas, petroleum, chemical industry, electric power, metallurgy thermodynamic fields, water supply engineering, steam heatin.
stainless steel pipe,Used for low pressure liquid delivery such as water, gas, and oil.Material:304,304L,316,316L.
API seamless pipe for water,gas,fluid,ALL THE SEAMLESS TUBE ARE APPLIED TO API 5L ,ASTM A106 STANDARD,90%PRODUCTS ARE EXPORTED OVERSEAS SUCH AS USA ,RUSSIA ,INDIN ,ECT.
Available Specification for Steel Pipe Product and Steel Pipes Development.
iron pipe,DN 400 Ductile iron pipes Delivery Detail :During 15-30 days after the signing of the contract.